CN112429146A - Outer plate abrupt change bulwark structure - Google Patents
Outer plate abrupt change bulwark structure Download PDFInfo
- Publication number
- CN112429146A CN112429146A CN202011391572.9A CN202011391572A CN112429146A CN 112429146 A CN112429146 A CN 112429146A CN 202011391572 A CN202011391572 A CN 202011391572A CN 112429146 A CN112429146 A CN 112429146A
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- CN
- China
- Prior art keywords
- bulwark
- plate
- reinforcing rib
- vertical reinforcing
- top deck
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/04—Stanchions; Guard-rails ; Bulwarks or the like
- B63B2017/045—Bulwarks, or the like
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bulwark structure with a suddenly changed outer plate, which comprises a bulwark plate arranged on the outer side of a bulwark outer plate at the lower part of an upper-layer building; the bulwark plate is arranged on the top deck; the bulwark plate is rectangular; the top of the bulwark plate is flush with the upper deck of the top deck; the bottom of the bulwark plate is connected with a hull outer plate outside the top deck; a plurality of first vertical reinforcing ribs are fixedly arranged on the bulwark plate, and the first vertical reinforcing ribs are respectively aligned with the vertical main ribs positioned below the top deck; the bulwark plate is provided with through holes between the adjacent first vertical reinforcing ribs; a second vertical reinforcing rib is arranged between the through hole and the first vertical reinforcing rib; a transverse reinforcing rib is arranged on the upper side of the through hole; the vertical strengthening rib of second and horizontal strengthening rib all set firmly in the bulwark board. The invention can effectively improve the stress distribution, reduce the stress concentration and the occurrence of cracks, and the plate thickness does not need to be thickened greatly.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a bulwark structure with a sudden change position on an outer plate.
Background
The superstructure area of the existing ro-ro passenger ship is generally slightly shorter than the ship length, particularly the front end and the rear end, and a surrounding type outer plate is not adopted. The superstructure of part of the ro-ro passenger ship is only distributed at the front end or the rear end of the ship, and the length of the superstructure is far less than the ship length.
The upper building structure of the passenger roller ship has the problem of stress concentration at the break (namely the sudden change of the outer plate) due to the influence of the total longitudinal direction, and cracks are easy to occur. In the existing solution, as shown in fig. 1, a bulwark plate 10 is arranged outside a bulwark plate 11 of a superstructure, the bulwark plate 10 is arranged on a top deck 12, and the outer contour of the bulwark plate 10 adopts an arc design so as to facilitate the release of stress. However, the conventional solutions have a poor stress release effect, and cracks occur, and further, the thickness of the bulwark plate needs to be increased greatly, which results in an increase in the weight of the ship.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a bulwark structure with an outer plate at a sudden change position.
The invention solves the technical problems through the following technical scheme:
a bulwark structure with a sudden change of outer plates comprises bulwarks arranged on the outer sides of bulwarks at the lower part of an upper-layer building; the bulwark plate is arranged on the top deck; a plurality of vertical main ribs positioned below the top deck are fixedly arranged on the hull outer plate outside the top deck; the bulwark plate is rectangular; the top of the bulwark plate is flush with the upper deck of the top deck; the bottom of the bulwark plate is connected with a hull outer plate outside the top deck; a plurality of first vertical reinforcing ribs are fixedly arranged on the bulwark plate, and the first vertical reinforcing ribs are respectively aligned with the vertical main ribs positioned below the top deck; the bulwark plate is provided with through holes between the adjacent first vertical reinforcing ribs; a second vertical reinforcing rib is arranged between the through hole and the first vertical reinforcing rib; a transverse reinforcing rib is arranged on the upper side of the through hole; the vertical strengthening rib of second and horizontal strengthening rib all set firmly in the bulwark board.
The first vertical reinforcing rib is a T-shaped section.
The second vertical reinforcing ribs and the transverse reinforcing ribs are rectangular plates.
The second vertical reinforcing rib is located between the horizontal reinforcing rib and the top deck, the upper end of the second vertical reinforcing rib is fixedly connected with the horizontal reinforcing rib, and the lower end of the second vertical reinforcing rib is not connected with the top deck.
The transverse reinforcing ribs are not connected with the first vertical reinforcing ribs.
The through hole is rectangular, and four corners of the through hole are of chamfer structures.
The length of the bulwark plate is more than 5 meters.
The height of the bulwark plate is more than 2 meters.
The bulwark plate is connected with the bulwark outer plate at the lower part of the superstructure in a welding way.
The bulwark plate and the bulwark outer plate at the lower part of the superstructure are integrally formed.
The invention has the beneficial effects that: the bulwark structure provided by the invention is used as an extension of a bulwark shell plate at the lower part of an upper building in a bulwark mode with the opening, so that the stress distribution of the bulwark shell plate at the lower part of the upper building can be effectively improved, and the stress concentration and cracks are reduced. The thickness of the bulwark is far less than that of the prior arc-shaped end bulwark. In the invention, the through holes of the bulwark plate can be as large as possible so as to reduce the weight of the bulwark plate and further reduce the weight of the ship. The required structure of the invention has smaller thickness, is convenient for shipyard construction, and reduces the construction cost; the safety of the structure is guaranteed, and the construction cost is reduced.
Drawings
Fig. 1 is a schematic view of a conventional bulwark structure.
Fig. 2 is a schematic structural diagram of a preferred embodiment of the present invention.
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
As shown in fig. 2, an outer panel mutation bulwark structure includes a bulwark panel 30 provided on the outer side of a bulwark outer panel 23 at the lower part of a superstructure. The bulwarks 30 are arranged on the top deck 20; a plurality of vertical main ribs 22 positioned below the top deck are fixedly arranged on the hull outer plate 21 outside the top deck.
The bulwark 30 is rectangular; the top of the bulwarks 30 is flush with the upper deck of the top deck 20; the bottom of the bulwarks 30 is connected to the hull outer plate 21 outside the top deck.
The bulwark 30 is fixedly provided with a plurality of first vertical reinforcing ribs 41, and the first vertical reinforcing ribs 41 are respectively aligned with the vertical main ribs 22 below the top deck.
Through holes 40 are formed between the adjacent first vertical reinforcing ribs 41.
A second vertical reinforcing rib 42 is arranged between the through hole 40 and the first vertical reinforcing rib 41.
The upper side of the through hole 40 is provided with a transverse reinforcing rib 43; the second vertical reinforcing rib 42 and the transverse reinforcing rib 43 are both fixedly arranged on the bulwark plate 30.
The first vertical reinforcing rib 41 is a T-shaped bar.
The second vertical reinforcing ribs 42 and the transverse reinforcing ribs 43 are rectangular plates.
The second vertical reinforcing rib 42 is positioned between the transverse reinforcing rib 43 and the top deck 20, the upper end of the second vertical reinforcing rib 42 is fixedly connected to the transverse reinforcing rib 43, and the lower end of the second vertical reinforcing rib 42 is not connected with the top deck 20.
The transverse reinforcing bead 43 and the first vertical reinforcing bead 41 are not connected.
The through hole 40 is rectangular, and four corners of the through hole 40 are in a chamfer structure.
In this embodiment, the length of the bulwark 30 is greater than 5 meters; the height of the bulwark 30 is greater than 2 meters.
The bulwark plate 30 is welded with the bulwark outer plate 23 at the lower part of the superstructure; alternatively, the bulwarks 30 and the bulwarks 23 at the lower part of the superstructure are integrally formed.
One end of the bulwark plate 30 is connected with a bulwark outer plate at the lower part of the superstructure, and the other end of the bulwark plate 30 is connected with a rail on the top deck.
The bulwark structure provided by the invention is used as an extension of a bulwark shell plate at the lower part of an upper building in a bulwark mode with the opening, so that the stress distribution of the bulwark shell plate at the lower part of the upper building can be effectively improved, and the stress concentration and cracks are reduced.
Through structural stress calculation, the thickness of the bulwark is far smaller than that of the existing arc-shaped end bulwark.
The bulwark structure can increase the length of the bulwark board according to the requirement so as to release the stress more effectively, the stress is released slowly and effectively through the extension of the plate frame structure at a distance, and the plate thickness does not need to be thickened greatly.
In the invention, the through holes of the bulwark plate can be as large as possible so as to reduce the weight of the bulwark plate and further reduce the weight of the ship.
The required structure of the invention has smaller thickness, is convenient for shipyard construction, and reduces the construction cost; the safety of the structure is guaranteed, and the construction cost is reduced.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A bulwark structure with a sudden change of outer plates comprises bulwarks arranged on the outer sides of bulwarks at the lower part of an upper-layer building; the bulwark plate is arranged on the top deck; a plurality of vertical main ribs positioned below the top deck are fixedly arranged on the hull outer plate outside the top deck; it is characterized in that the bulwark plate is rectangular; the top of the bulwark plate is flush with the upper deck of the top deck; the bottom of the bulwark plate is connected with a hull outer plate outside the top deck; a plurality of first vertical reinforcing ribs are fixedly arranged on the bulwark plate, and the first vertical reinforcing ribs are respectively aligned with the vertical main ribs positioned below the top deck; the bulwark plate is provided with through holes between the adjacent first vertical reinforcing ribs; a second vertical reinforcing rib is arranged between the through hole and the first vertical reinforcing rib; a transverse reinforcing rib is arranged on the upper side of the through hole; the vertical strengthening rib of second and horizontal strengthening rib all set firmly in the bulwark board.
2. The outer panel mutation bulwark structure of claim 1, wherein the first vertical reinforcing rib is a T-shaped bar.
3. The exterior panel mutation bulwark structure of claim 1, wherein the second vertical reinforcing ribs and the transverse reinforcing ribs are rectangular plates.
4. The exterior panel mutation bulwark structure of claim 1, wherein the second vertical reinforcing rib is located between the transverse reinforcing rib and the top deck, an upper end of the second vertical reinforcing rib is fixedly connected to the transverse reinforcing rib, and a lower end of the second vertical reinforcing rib is not connected to the top deck.
5. The exterior panel mutation bulwark structure of claim 1, wherein the transverse reinforcing rib and the first vertical reinforcing rib are not connected.
6. The outer panel mutation bulwark structure of claim 1, wherein the through-hole is rectangular, and four corners of the through-hole are chamfered.
7. The outer panel mutation port bulwark structure of claim 1, wherein the length of the bulwark panel is greater than 5 meters.
8. The outer panel mutation port bulwark structure of claim 1, wherein the height of the bulwark panel is greater than 2 meters.
9. The outer panel mutation bulwark structure of claim 1, wherein the bulwark is connected with the outer panel of the bulwark at the lower part of the superstructure by welding.
10. The outer panel mutation bulwark structure of claim 1, wherein the bulwark and the outer panel of the bulwark at the lower part of the superstructure are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391572.9A CN112429146A (en) | 2020-12-02 | 2020-12-02 | Outer plate abrupt change bulwark structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011391572.9A CN112429146A (en) | 2020-12-02 | 2020-12-02 | Outer plate abrupt change bulwark structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429146A true CN112429146A (en) | 2021-03-02 |
Family
ID=74690740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011391572.9A Pending CN112429146A (en) | 2020-12-02 | 2020-12-02 | Outer plate abrupt change bulwark structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112429146A (en) |
-
2020
- 2020-12-02 CN CN202011391572.9A patent/CN112429146A/en active Pending
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